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Recent questions tagged basics

Which of following corresponds to faster reaction at room temperature? (y-axis is Potential Energy and x-axis is Progress of reaction).

asked Dec 17, 2013 by sreemathi.v

1 answer

An activated complex has

asked Dec 17, 2013 by sreemathi.v

1 answer

An increase in temperature increases the rate of a chemical reaction because

asked Dec 17, 2013 by sreemathi.v

1 answer

Choose the correct option below based on the following statement:

asked Dec 17, 2013 by sreemathi.v

1 answer

Which of following are necessary for successful collisions to occur? </br> (i) Favourable collision geometry </br> (ii) sufficient kinetic energy </br> (iii) Large $\Delta H$ </br>

asked Dec 17, 2013 by sreemathi.v

1 answer

The photochemical reactions are those which

asked Dec 17, 2013 by sreemathi.v

1 answer

The rate of chemical equation is equal to slope of graph with ones labelled

asked Dec 17, 2013 by sreemathi.v

1 answer

What is the unit of k of a $n^{th}$ order reaction?

asked Dec 16, 2013 by sreemathi.v

1 answer

If a reaction is catalyzed by $x$, then $x$

asked Dec 16, 2013 by sreemathi.v

1 answer

The catalyst increases the rate of reaction because it

asked Dec 16, 2013 by sreemathi.v

1 answer

Select the correct statement:

asked Dec 16, 2013 by sreemathi.v

1 answer

Rate of reaction can be expressed by Arrhenius equation as $k=Ae^{\large\frac{-E_a}{RT}}$.Select the correct statement

asked Dec 16, 2013 by sreemathi.v

1 answer

Select correct statement :

asked Dec 13, 2013 by sreemathi.v

1 answer

A first order reaction is represented by which of the following graphs?

asked Dec 13, 2013 by sreemathi.v

1 answer

Given that the rate of a reaction depends on temperature, concentration, pressure and volume, which of the following is true?

asked Dec 13, 2013 by sreemathi.v

1 answer

Select the incorrect statement :

asked Dec 13, 2013 by sreemathi.v

1 answer

What is the order of reaction of an artificial radioactive decay

asked Dec 13, 2013 by sreemathi.v

1 answer

For a chemical reaction rate constant $K=5.3\times 10^{-4}mol\;L^{-1}S^{-1}$ what will be the order of the reaction?

asked Dec 13, 2013 by sreemathi.v

1 answer

Given the following Assertion and Reason, which of the following statements is true?

asked Dec 13, 2013 by sreemathi.v

1 answer

A graph between $1/[A]^2$ vs t is plotted below where [A] is conc of [A] at time t and $[A_o]$ is initial conc and K is the rate constant of a $Rx^n$ $nA\rightarrow$ product. What is the initial concentration of [A]

asked Dec 12, 2013 by sreemathi.v

1 answer

A graph between $1/[A]^2$ vs t is plotted below where [A] is conc of [A] at time t and $[A_o]$ is initial conc and K is the rate constant of a $Rx^n$ $nA\rightarrow$ product.What is the value of rate constant

asked Dec 12, 2013 by sreemathi.v

1 answer

A graph between $1/[A]^2$ vs t is plotted below where [A] is conc of [A] at time t and $[A_o]$ is initial conc and k is the rate constant of a $Rx^n$ $nA\rightarrow$ product. What is the order of the $Rx^n$

asked Dec 12, 2013 by sreemathi.v

1 answer

For the reaction $aA+bB\rightarrow cC+dD$ the rate of formation of [C] in term of [A] is given by

asked Dec 12, 2013 by sreemathi.v

1 answer

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